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Use CXX in LINKCC if CXX is used to build main() and the system requires

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to link a C++ main using the C++ compiler. Fixes #472007.
This commit is contained in:
Martin v. Löwis 2001-10-18 15:35:38 +00:00
parent 316141b333
commit b7da67a873
2 changed files with 399 additions and 367 deletions
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742
configure vendored
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24
configure.in
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@ -254,20 +254,36 @@ DLLLIBRARY=''
LDLIBRARYDIR=''
# LINKCC is the command that links the python executable -- default is $(CC).
# If CXX is set, and if it is needed to link a main function that was
# compiled with CXX, LINKCC is CXX instead. Always using CXX is undesirable:
# python might then depend on the C++ runtime
# This is altered for AIX in order to build the export list before
# linking.
AC_SUBST(LINKCC)
AC_MSG_CHECKING(LINKCC)
if test -z "$LINKCC"
then
if test -z "$CXX"; then
LINKCC="\$(PURIFY) \$(CC)"
else
echo 'int main(){return 0;}' > conftest.$ac_ext
$CXX -c conftest.$ac_ext 2>&5
if $CC -o conftest$ac_exeext conftest.$ac_objext 2>&5 \
&& test -s conftest$ac_exeext && ./conftest$ac_exeext
then
LINKCC="\$(PURIFY) \$(CC)"
else
LINKCC="\$(PURIFY) \$(CXX)"
fi
rm -fr conftest*
fi
case $ac_sys_system in
AIX*)
LINKCC="\$(srcdir)/Modules/makexp_aix Modules/python.exp \"\" \$(LIBRARY); \$(PURIFY) \$(CC)";;
LINKCC="\$(srcdir)/Modules/makexp_aix Modules/python.exp \"\" \$(LIBRARY); $(LINKCC)";;
dgux*)
LINKCC="LD_RUN_PATH=$libdir \$(PURIFY) \$(CC)";;
LINKCC="LD_RUN_PATH=$libdir $(LINKCC)";;
Monterey64*)
LINKCC="\$(PURIFY) \$(CC) -L/usr/lib/ia64l64";;
*) LINKCC="\$(PURIFY) \$(CC)";;
LINKCC="$(LINKCC) -L/usr/lib/ia64l64";;
esac
fi
AC_MSG_RESULT($LINKCC)